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Reasonable, at that time, you handed it in, a bit of a dismantling of the teacher's desk.
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It's not clear, it's not allowed to bring a mobile phone into the exam room, even if it's turned off, you have to hand it in, and the teacher says that you violate the rules, and you can't say anything! It's helpless!
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It's not the same during this time period to turn in your phone.
Turning in your phone in the middle of the exam, others think you're cheating.
The mobile phone is turned on, called, and texted, and it will not have too much radiation. In addition to miscellaneous mobile phones, all regular mobile phone brands have passed the quality verification of the Ministry of Industry and Information Technology. >>>More
No. The phone only has radiation when talking to the phone.
Have you received fire education, there is a woman's mobile phone under the pillow, it caught fire at night, and there is a charging explosion or an Apple mobile phone.
No, don't worry, when the phone is turned off, it won't receive the signal, and the strongest radiation is when you make a call. >>>More
You are very right to do so! Mobile phones are harmful to the human body when they are in standby. However, after turning off, the radiation will be blocked, which is harmless to the human body. Rest assured.